Home / 199,306,422.40-298,959,633.60-91,810,998.40

Finding the Fourth Proportional to 199,306,422.40, 298,959,633.60 and 91,810,998.40

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Solution

The fourth proportional to 199,306,422.40, 298,959,633.60 and 91,810,998.40 is: 137,716,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,306,422.40 : 298,959,633.60 = 91,810,998.40 : x
  2. Step 2: Convert to fraction form
    199,306,422.40/298,959,633.60 = 91,810,998.40/x
  3. Step 3: Cross multiply
    199,306,422.40x = 298,959,633.60 × 91,810,998.40
  4. Step 4: Simplify right side
    199,306,422.40x = 27,447,782,442,114,192
  5. Step 5: Solve for x
    x = 27,447,782,442,114,192/199,306,422.40
  6. Step 6: Final answer
    x = 137,716,497.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.